Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 4 - Review - Exercises - Page 389: 67



Work Step by Step

$\log_{2}(1-x)=4$ Rewrite this equation in exponential form: $1-x=2^{4}$ Solve for $x$: $1-x=16$ $-x=16-1$ $-x=15$ $x=-15$
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